EP3553419B1 - Réfrigérateur - Google Patents

Réfrigérateur

Info

Publication number
EP3553419B1
EP3553419B1 EP19171517.6A EP19171517A EP3553419B1 EP 3553419 B1 EP3553419 B1 EP 3553419B1 EP 19171517 A EP19171517 A EP 19171517A EP 3553419 B1 EP3553419 B1 EP 3553419B1
Authority
EP
European Patent Office
Prior art keywords
cool air
drawer
quick cooling
heat
cooling module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19171517.6A
Other languages
German (de)
English (en)
Other versions
EP3553419A1 (fr
Inventor
Jaehoon SHIN
Yanggyu Kim
Heayoun Sul
Yongjoo Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020110051885A external-priority patent/KR101768724B1/ko
Priority claimed from KR1020110113338A external-priority patent/KR20130048475A/ko
Priority claimed from KR1020110113337A external-priority patent/KR101848661B1/ko
Priority claimed from KR1020110114572A external-priority patent/KR101848662B1/ko
Priority claimed from KR1020110126530A external-priority patent/KR101861673B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to EP25210251.2A priority Critical patent/EP4675201A2/fr
Publication of EP3553419A1 publication Critical patent/EP3553419A1/fr
Application granted granted Critical
Publication of EP3553419B1 publication Critical patent/EP3553419B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/025—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures using primary and secondary refrigeration systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/04—Self-contained movable devices, e.g. domestic refrigerators specially adapted for storing deep-frozen articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/025—Removal of heat
    • F25B2321/0251—Removal of heat by a gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/025—Removal of heat
    • F25B2321/0252—Removal of heat by liquids or two-phase fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/061—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation through special compartments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/063—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation with air guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/28—Quick cooling

Definitions

  • the present disclosure relates to a refrigerator.
  • refrigerators are home appliances which can store foods at a low temperature in an inner storage space covered by a door.
  • the refrigerators cool the inside of the storage space using cool air generated by heat-exchanging with a refrigerant that circulates in a refrigeration cycle to store the foods in an optimum state.
  • US 2003/11 5892 A1 provides a food storage system mounted in a fresh food compartment of a refrigerator.
  • JP 200 329442 A relates to a storage chamber of a refrigerator having a plurality of different temperature zones.
  • a bottom freezer type refrigerator is exemplified as a refrigerator according to embodiments, the present disclosure is not limited thereto.
  • the embodiments may be applied also to a top mount type refrigerator and a side-by-side type refrigerator.
  • Fig. 1 is a perspective view of a refrigerator including a quick cooling module according to the invention.
  • a refrigerator 1 including a quick cooling module includes a main body 10 having a storage space therein, a door 20 selectively opening or closing the storage space, and a deep freezing storage compartment.
  • the inner storage space of the main body 10 is partitioned by a barrier 103 to define a refrigerating compartment 12 and a freezing compartment 13.
  • the refrigerating compartment 12 and the freezing compartment 13 are disposed horizontally or vertically according to an extension direction of the barrier 103.
  • the refrigerating compartment 12 may be defined above/below the freezing compartment 13.
  • the refrigerating compartment 12 is disposed above the freezing compartment 13.
  • the refrigerating compartment 12 and the freezing compartment 13 may be disposed horizontally parallel to each other.
  • the storage space including the refrigerating compartment 12 and the freezing compartment 13 may be defined as a first storage compartment
  • the deep freezing storage compartment may be defined as a second storage compartment.
  • the second storage compartment is a storage compartment which is maintained at a temperature less than that of the first storage compartment. For example, if the freezing compartment 13 is maintained at a temperature of about -18°C to about -20°C, the deep freezing storage compartment corresponding to the second storage compartment is maintained at a temperature of about -50°C to about -60°C.
  • the deep freezing storage compartment may be disposed on an edge of a side of the freezing compartment 13.
  • a drawer assembly 30 for storing foods and a quick cooling module (see Fig. 2 ) 40 for quickly cooling the inside of the drawer assembly 30 are disposed in the deep freezing storage compartment.
  • the quick cooling module 40 is disposed on a rear end of the drawer assembly 30. This will be described below with reference to the accompanying drawings.
  • the refrigerating compartment 12 is selectively opened or closed by a refrigerating compartment door 21. That is, the refrigerating compartment 12 may be selectively opened or closed by a single door or a pair of doors as shown in Fig. 1 .
  • the refrigerating compartment door 21 may be rotatably coupled to the main body 10.
  • the freezing compartment 13 is selectively opened or closed by a freezing compartment door 22.
  • the freezing compartment door 22 may be withdrawably provided as shown in Fig. 1 . That is, a freezing compartment receiving part may be provided as a drawer type.
  • the drawer assembly 30 may be received into the deep freezing storage compartment so that the drawer assembly 30 can withdraw in forward and backward directions.
  • Fig. 2 is an exploded perspective view illustrating structures of the drawer assembly 30 and the quick cooling module 40 which are provided in the deep freezing storage compartment according to an example not covered by the claimed invention.
  • the quick cooling module 40 is disposed on the rear end of the drawer assembly 30. Also, the quick cooling module 40 may be fixed to the main body 10 or movable together with the drawer assembly 30.
  • the quick cooling module 40 includes a thermal conductive unit 44 coupled to an evaporator E installed within the main body 10, a thermoelectric device 41 attached to a front surface of the thermal conductive unit 44, a heat dissipation member 42 coupled to a front surface of the thermoelectric device 41, and a heat absorption-side blow fan 43 coupled to a front surface of the heat dissipation member 42.
  • the heat dissipation member 42 includes a heat sink.
  • thermoelectric device 41 includes a device using a Peltier effect in which heat absorption occurs in one surface and heat emission occurs in the other surface by supplying current.
  • the Peltier effect represents an effect in which heat absorption occurs in one terminal and heat emission occurs in the other terminal along a current flow direction when ends of two kinds of metals are connected to each other, and then current is applied into the ends of the metals.
  • a flow direction of current applied into the thermoelectric device 41 is reversed, a heat absorption surface and a heat emission surface may be also reversed.
  • an amount of supplied current may be controlled to adjust an amount of absorbed and emitted heat.
  • the quick cooling module 40 has a structure in which the heat absorption surface of the thermoelectric device 41 is disposed to face the drawer assembly 30 of the deep freezing storage compartment, and the heat emission surface is disposed to face the evaporator E.
  • foods stored in the drawer assembly 30 may be quickly cooled at a super low temperature using the heat absorption occurring in the thermoelectric device 41 in addition to cool air supplied from the evaporator E.
  • the drawer assembly 30 includes a drawer 32 and a case 31 in which the drawer 32 is withdrawably received. According to structures of products, only the drawer 32 may be received in the deep freezing storage compartment, or all the case 31 and the drawer 32 is withdrawable received in the deep freezing storage compartment.
  • Fig. 3 illustrates a structure in which only the drawer 32 is received into the deep freezing storage compartment.
  • the main body 10 includes an outer case 102 defining an outer appearance thereof and the inner case 101 provided within the outer case 102.
  • a foam-filled insulation material may be between the outer case 102 and the inner case 101.
  • a heat exchange chamber 105 for receiving the evaporator E may be disposed between the outer case 102 and the inner case 101.
  • the inner case 101 may be a partition for partitioning the heat exchange chamber 105 from the second storage compartment.
  • a separate partition wall such as a plate or duct may be provided on a front surface of the inner case 101 to define the heat exchange chamber 105 between the partition wall and the inner case 101, and also, the evaporator E may be received into the heat exchange chamber 105.
  • the insulation case 104 may closely abut to a front surface of the partition wall.
  • the deep freezing storage compartment may be independently operated using the quick cooling module 40. That is, when the quick cooling within the deep freezing storage compartment is required in a state where the refrigeration cycle is stopped, current may be applied into the quick cooling module 40 to operate the thermoelectric device 41, thereby generating cool air. Also, the air generated in the thermoelectric device 41 may be supplied into the drawer 32 by operating the heat absorption-side blow fan 43.
  • thermoelectric device 41 since the heat emission surface of the thermoelectric device 41 is attached to the evaporator E using the thermal conductive unit 44 as a medium, when a freezing phenomenon occurs on the evaporator E, the thermoelectric device 41 may be used as a defrosting member. That is, when current is supplied into the thermoelectric device 41 to remove ice attached on the evaporator E, heat emitted from the heat emission surface of the thermoelectric device 41 may be transmitted into the refrigerant pipe of the evaporator E through the thermal conductive unit 44. As a result, the ice attached to the evaporator E may be separated. Thus, it is unnecessary to perform a separate defrosting operation.
  • thermoelectric device 41 when the flow direction of the current supplied into the thermoelectric device 41 is reversed, a front surface of the thermoelectric device 41 serves as the heat emission surface.
  • the deep freezing storage compartment may serve as a quick thawing compartment.
  • Fig. 4 is a sectional view taken along line I-I of Fig. 1 and illustrating an installed state of a quick cooling module and a drawer assembly according to a second example not covered by the claimed invention.
  • this example is different from the first example in that a drawer 32 and a case 31 are received in a deep freezing storage compartment, and a separate guide sleeve 101a is not required on a wall of a freezing compartment 13.
  • other components according to this example are equal to those of the first example. Thus, duplicated descriptions with respect to the components equal to those of the first example will be omitted.
  • a drawer assembly 30 is received in a deep freezing storage compartment defined by an insulation case 104.
  • a rear surface of the case 31 constituting the drawer assembly 30 closely abut to a rear surface of the freezing compartment 13.
  • a communication hole 101b is defined in a rear wall of the freezing compartment 12, i.e., an inner case 101, and a quick cooling module 40 is received in the communication hole 101b.
  • a cool air hole is defined in the rear wall of the case 31, particularly, a position corresponding to a cool air inflow hole 322a of the drawer 32.
  • a heat absorption-side blow fan 43 of the quick cooling module 40 is disposed in the cool air hole. Similar to the first example, a thermoelectric device 41 of the quick cooling module 40 is fixed to a refrigerant pipe of an evaporator E using a thermal conductive unit 44 as a medium.
  • Fig. 5 is a sectional view taken along line I-I of Fig. 1 and illustrating an installed state of a quick cooling module and a drawer assembly according to a third example not covered by the claimed invention.
  • this embodiment is different from the first and second examples in that a thermal conductive unit 44 constituting a part of the quick cooling module 40 is separated from a thermoelectric device 41.
  • the quick cooling module 40 includes a thermoelectric device 41, a heat dissipation member 42 attached to a heat absorption surface of the thermoelectric device 41, a heat absorption-side blow fan 43 coupled to a front surface of the heat dissipation member 42, a thermal conductive plate 46 attached to a heat emission surface of the thermoelectric device 41, a thermal conductive unit 44 surrounding a portion of a refrigerant pipe of an evaporator E, and a heat pipe 45 connecting the thermal conductive unit 44 to the thermal conductive plate 46 to transmit heat.
  • the evaporator E to which the thermal conductive unit 44 is attached is received in a heat exchange chamber 105, and the thermal conductive plate 46 is attached to a rear wall of a freezing compartment 13. Also, heat is transmitted from the thermal conductive plate 46 into the thermal conductive unit 44 by the heat pipe 45.
  • the heat exchange chamber 105 and a deep freezing storage compartment are separated from each other to block movement of cool air. That is, the deep freezing storage compartment is cooled by only the quick cooling module 40.
  • a portion of the quick cooling module 40 is disposed within a case 31.
  • a length of the drawer 32 in front and rear directions is less than that of the case 31 in front and rear directions.
  • thermoelectric device 41 heat generated in the thermoelectric device 41 is transmitted into the thermal conductive plate 46 during the quick freezing. Also, the heat transmitted into the thermal conductive plate 46 is transmitted into the thermal conductive unit 44 along the heat pipe 45.
  • the thermal conductive plate 46 may be a plate formed of the same material as that of the thermal conductive unit 44.
  • the thermoelectric device 41 may be attached to the heat pipe 45 through the thermal conductive plate 46. According to the above-described structure, it may prevent heat emitted in the heat emission surface of the thermoelectric device 41 from being introduced again into the deep freezing storage compartment. Thus, a temperature of the cool air supplied into the deep freezing storage compartment is lower when compared to the cases of the first or second example. Actually, the cool air supplied into the deep freezing storage compartment is cooled at a temperature of about -45°C to about -50°C.
  • Fig. 6 is a sectional view taken along line I-I of Fig. 1 and illustrating an installed state of a quick cooling module and a drawer assembly according to a fourth example not covered by the claimed invention.
  • this example is different from the foregoing examples in that a length of a drawer 32 in front and rear directions is equal to that of a case 31 in front and rear directions, and a portion of a quick cooling module 40 protrudes into the drawer 32.
  • portions of a heat absorption-side blow fan 43 and a heat dissipation member 42 of components constituting the quick cooling module 40 protrude into the drawer 32.
  • cool air forcibly flows into the drawer 32 by the heat absorption-side blow fan 43.
  • air within the drawer 32 flows toward the heat dissipation member 42, i.e., a rear side of the heat absorption-side blow fan 43 to form a cool air circulation structure in which the air is heat-exchanging with the heat dissipation member 42.
  • a guide sleeve 325 for guiding circulation of the cool air protrudes from a rear surface of the drawer 32.
  • the guide sleeve 325 may provide the same function as that of the guide sleeve 101a.
  • a pair of guide sleeves 325 may be provided vertically or horizontally.
  • a plurality of guide sleeves 325 may be provided vertically and horizontally to form one square box shape.
  • the guide sleeve 325 may be disposed on a rear surface of the drawer 32 and/or a rear surface of the case 31.
  • Fig. 7 is an exploded perspective view illustrating a configuration of a quick cooling module according to another example not covered by the claimed invention.
  • a quick cooling module according to this example is different from the quick cooling module according to the first example in a configuration of a thermal conductive unit.
  • a quick cooling module 40 includes a thermoelectric device 41, a heat dissipation member 42, and a heat absorption-side blow fan 43, like the first example.
  • a refrigerant passage 471 through which a refrigerant flows is defined within the thermal conductive unit 47 according to this example.
  • a portion of a refrigerant pipe of an evaporator E is cut. An end of one side of the cut pipe is connected to an inlet side of the refrigerant passage 471, and an end of the other side of the cut pipe is connected to an outlet side of the refrigerant passage 471.
  • the refrigerant flowing along the refrigerant pipe cools a thermal conductive unit 47 while flowing along the refrigerant passage 471.
  • thermoelectric device 41 A heat emission surface of the thermoelectric device 41 is attached to an outer surface of the thermal conductive unit 47. Thus, heat emitted from the heat emission surface is transmitted into the refrigerant through the thermal conductive unit 47.
  • Fig. 8 is a side sectional view of a drawer according to another example not covered by the claimed invention.
  • a cold plate 33 having high conductivity may be disposed on a bottom surface of the drawer 32.
  • the cold plate 33 may be a metal plate formed of the same material as that of the thermal conductive units 44 and 47 or the thermal conductive plate 46 which are described in the foregoing examples. Since the cold plate 33 is disposed on the bottom surface of the drawer 32, lower parts of foods received in the drawer 32 may be cooled also. Thus, surfaces of the foods contacting the cool air within the drawer 32 may be cooled, and also surfaces of the foods attached to the bottom surface of the drawer 32 may be cooled. As a result, the entire surfaces of the foods may be uniformly cooled to reduce a time for cooling the foods.
  • Fig. 9 is a perspective view of a drawer according to another example not covered by the claimed invention.
  • Fig. 10 is a side sectional view taken along line II-II of Fig. 9 .
  • this example is equal to the foregoing examples in a structure of the drawer in which a cool air flow part 322 having a cool air inflow hole 322a and a cool air discharge hole 322b is disposed on a rear surface of the drawer 32.
  • the functions and positions of the cool air inflow hole 322a and the cool air discharge hole 322b are not limited to the proposed examples. That is, one of the holes constituting the cool air flow part 322 performs a function of a cool air inflow hole, and the other one performs a function of a cool air discharge hole.
  • the cool air flow part 322 may be disposed vertically or horizontally on a rear surface of the drawer 32.
  • This example is different from the foregoing examples in that a plurality of cooling projections 324 protrude from a bottom surface of a drawer 32.
  • cooling projections 324 each having an embossment shape, protrude from the bottom surface of the drawer 32, cool air may be smoothly transferred onto foods received in the drawer 32.
  • a cool air passage is defined in a portion at which the foods contact the bottom surface of the drawer 32.
  • the flow and circulation of the cool air within the drawer 32 may be promoted to increase a speed for freezing the foods, thereby reducing a freezing time. This is done because the cooling using thermal conduction as wall as the cooling using convection are performed at the same time.
  • a cold plate 33 may be placed on the cooling projections 324.
  • Fig. 11 is a sectional view taken along line I-I of Fig. 1 and illustrating an installed state of a quick cooling module and a drawer assembly according to a fifth example not covered by the claimed invention.
  • a quick cooling module 40 is coupled to a case 31 of a drawer assembly 30 in one body.
  • the quick cooling module 40 may be separated from a deep freezing storage compartment.
  • the quick cooling module 40 includes a thermoelectric device 41, a heat dissipation member 42 mounted on a heat absorption surface of the thermoelectric device 41, a heat absorption-side blow fan 43 coupled to a front surface of the heat dissipation member 42, a heat dissipation member 48 mounted on a heat emission surface of the thermoelectric device 41, and a heat emission-side blow fan 49 mounted on a rear surface of the heat dissipation member 48.
  • a partition wall 313 for partitioning a space for receiving the drawer 32 from a space for receiving the quick cooling module 40 may be disposed within the case 31. Also, a cool air hole is defined in the partition wall 313 and a rear surface of the drawer 32.
  • a support wall 314 for supporting the quick cooling module 40 may be disposed within the case 31 in which the quick cooling module 40 is received.
  • heat exchange spaces K1 and K2 may be defined in front and rear sides of the support wall 314, respectively.
  • the thermoelectric device 41 is mounted on the support wall 314. Thus, the heat absorption surface of the thermoelectric device 41 is exposed to the front space of the support wall 314, and the heat emission surface of the thermoelectric device 41 is exposed to the rear space of the support wall 314. Thus, since heat emitted from the heat emission surface of the thermoelectric device 41 is not introduced into the drawer 32, cooling efficiency may be improved.
  • a communication hole 101b communicating with a heat exchange chamber 105 is defined in a wall of a freezing compartment 13, particularly, an inner case 101 or a partition wall as described in the first example.
  • the heat emission-side blow fan 49 is disposed at a rear side of the communication hole 101b.
  • a cool air hole 313 for introducing the cool air within the heat exchange chamber 105 into the heat exchange space K2 may be defined in a rear surface of the case 31.
  • the quick cooling module 40 together with the case 31 is taken in or out of a deep freezing storage compartment, it may be necessary to selectively supply current into the blow fans 43 and 49 and the thermoelectric device 41. That is, the current supply should be interrupted when the case 31 is taken in. Also, when the case 31 is inserted into the deep freezing storage compartment, the current supply should be allowable. When a power transmission method using a wire is used, it may be difficult to treat the wire so as to supply current into a receiving device having a drawer shape. Accordingly, a unit for smoothly supplying a power is required.
  • a power transmission unit 50 is mounted on a rear surface of the drawer assembly and a wall of a refrigerator main body 10.
  • a wireless power transmission part 52 may be mounted on the wall of the refrigerator main body 10, and a wireless power receiving part 51 may be mounted on a rear wall of the case 31.
  • the wireless power transmission part 52 and the wireless power receiving part 51 may be spaced a distance of about 15 mm or less from each other. If the spaced distance exceeds about 15 mm, power losses may be increased to cause energy losses.
  • the wireless power transmission part 52 is connected to a main control part disposed on a top surface of the main body 10 to receive power.
  • the wireless power receiving part 51 is electrically connected to the blow fans 43 and 49 and the thermoelectric device 41.
  • the wireless power transmission unit 50 may use an electromagnetic induction method.
  • An electromagnetic induction method represents a method in which magnetic fields occur around current, and thus electricity is transmitted using the magnetic fields.
  • the wireless power transmission unit 50 using the electromagnetic induction method is applied to electric toothbrushes.
  • the wireless power transmission unit 50 has also been applied to home appliances such as mobile phones.
  • a wireless power transmission unit using resonance may be applied to the embodiments.
  • the electricity when the wireless power transmission unit is applied, the electricity may be effectively supplied to a component separated from the main body 10.
  • the power supply may be interrupted to reduce the power losses.
  • the wire usage limitation since the wire for connecting the drawer assembly 30 to the main body 10 is removed, the wire usage limitation may be solved.
  • Fig. 12 is a schematic block diagram illustrating a configuration for controlling a refrigerator including a quick cooling module according to an example not covered by the claimed invention.
  • a product in which quick cooling is required is received in a deep freezing storage compartment.
  • the quick cooling mode should be performed by the user's selection to minimize power consumption.
  • an input unit for selecting the quick cooling mode may be disposed on a front surface of a door 20 of a refrigerator or a drawer assembly 30.
  • a display unit (not shown) may be disposed on a front surface of the door 20 of the refrigerator, or an input button may be disposed on a side of a control panel (not shown).
  • the user may push the input button to operate the quick cooling module 40.
  • the refrigerator includes a control unit 600, an input unit 610 including at least quick cooling mode selection button or quick cooling mode operation time input button, a driving unit 620 operated when a driving command is inputted through the input unit 610, and a memory 630 for storing information required for the at least quick cooling mode operation.
  • the driving unit 620 includes a thermoelectric device 41, heat absorption-side and heat emission-side blow fans 43 and 49, and a compressor C constituting a refrigerating cycle for cooling a refrigerating compartment or a freezing compartment.
  • Fig. 13 is a flowchart illustrating a process for controlling a quick cooling mood operation using the quick cooling module according to an example not covered by the claimed invention.
  • the quick cooling mode is selected through an input unit in operation S110.
  • operation S120 after the quick cooling mode is selected, a quick cooling operation time is inputted.
  • the quick cooling mode selection and the quick cooling operation time may be automatically set so that they are performed at the same time.
  • thermoelectric device 43 In operation S130, the operation condition input for the quick cooling is completed, and an operation command is inputted through an operation button. Thus, in operation S140, the thermoelectric device 43 is operated.
  • the thermoelectric device 43 being operated represents that power is applied to the thermoelectric device 43, and thus, one surface thereof is cooled and the other surface emits heat.
  • thermoelectric device 43 When the thermoelectric device 43 is operated, the compressor C should be operated together.
  • a control unit 600 determines whether a refrigerating cycle for cooling a refrigerating compartment or a freezing compartment is now operated in operation S150. When it is determined that the refrigerating cycle is now operated, whether a set time for the quick cooling operation has elapsed is determined in operation S160. On the other hand, if the refrigerating cycle is not operated, a control command for operating the compressor C is outputted in operation S151, and then whether the set time has elapsed is determined.
  • the control unit 600 determines whether the refrigerating cycle should be continuously operated. That is, whether it is necessary to continuously operate the compressor C because the refrigerating compartment or the freezing compartment does not reach a set temperature. If it is determined that it is unnecessary to operate the refrigerating cycle any more, the operation of the compressor C is stopped and an operation of the quick cooling mode is stopped in operation S190. On the other hand, when it is determined that it is necessary to continuously operate the refrigerating cycle, the compressor C is continuously operated and the operation of the quick cooling mode is stopped in operation S190.
  • the quick cooling mode may be performed by the user's selection.
  • the compressor C may be operated at the same time to improve quick cooling efficiency and minimize power consumption.
  • Fig. 14 is an exploded perspective view illustrating an installed state of a quick cooling module and a drawer assembly according to a first embodiment of the present invention.
  • Fig. 15 is a sectional view taken along line I-I of Fig. 1 and illustrating the installed state of the quick cooling module and the drawer assembly according to the first embodiment of the present invention.
  • this embodiment is different from the foregoing embodiments in that a heat exchange space in which a heat dissipation member 42 is heat-exchanged with cool air within a drawer 32 is provided in a separate kit.
  • a structure in which a heat exchange chamber 105 for receiving an evaporator E is disposed between an inner case 101 and a partition wall will be described. That is, an insulation material 106 is filled between the inner case 101 and an outer case 102 to prevent external air and internal air from being heat-exchanged with each other. Also, a separate space is not defined between the inner case 101 and the outer case 102. However, as described above, the partition wall is disposed at a front side of the inner case 101, and the heat exchange chamber 105 is disposed therebetween.
  • a separate cool air circulation kit 330 is provided between a rear surface of the drawer 32 and a rear surface of a case 31.
  • a portion of a quick cooling module 40 is disposed within the cool air circulation kit 330.
  • the cool air circulation kit 33 includes a kit body 331 defining an inner space, a cool air flow duct 332provided on a side of a front surface of the kit body 331, and a module receiving groove 333 disposed in a rear surface of the kit body 331.
  • cool air guide louvers are disposed at upper and lower sides of the cool air flow duct 332, respectively.
  • the cool air guide louvers disposed at the upper and lower side of the cool air flow duct 332 on the basis of a cross-sectional surface which equally divides the cool air flow duct 332 may be inclined symmetrical to each other.
  • cool air may be supplied into the drawer 32 through the upper louver, and the cool air within the drawer 32 may be supplied into a heat absorption-side blow fan 43 of the quick cooling module 40 through the lower louver.
  • the louvers may perform a function of a rotatable damper. That is, when the quick cooling mode is not operated, the cool air flow duct 332 may be completely covered. On the other hand, when the quick cooling mode is operated, the cool air flow duct 332 may be opened.
  • the quick cooling module 40 is fitted into the module receiving groove 333.
  • at least the heat absorption-side blow fan 43 and the heat dissipation member 42 may be received in a heat exchange chamber kit 44.
  • a cool air inflow part and a cool air discharge part are separated from the cool air circulation kit 330.
  • a cool air flow duct 332 of the cool air circulation kit 330 includes a cool air discharge duct 334 and a cool air inflow duct 335.
  • the cool air discharge duct 334 is disposed under the cool air inflow duct 335.
  • a quick cooling module 40 is disposed at a rear side of the cool air inflow duct 335.
  • cool air discharged from a heat absorption-side blow fan 43 may be supplied into a drawer 32 though the cool air inflow duct 335.
  • air within the drawer 32 may be guided into the cool air circulation kit 330 through the cool air discharge duct 334.
  • the cool air may be smoothly circulated within a drawer assembly 30.
  • Fig. 18 is an exploded perspective view illustrating an installed state of a quick cooling module and a drawer assembly according to an sixth example not part of the claimed invention.
  • Fig. 19 is a sectional view taken along line I-I of Fig. 1 and illustrating the installed state of the quick cooling module and the drawer assembly according to the sixth example not part of the claimed invention.
  • this example is different from the foregoing examples in that a guide part 5 for guiding a flow of cool air and a guide duct 6 for guiding the inflow and discharge of the cool air are disposed on a front surface of the partition wall 70.
  • the guide part 5 includes a guide rib 51 protruding from the front surface of the partition wall 70 to define a cool air guide passage 52 and a cover 53 seated on a front surface of the guide rib 51 to cover the cool air guide passage 52.
  • the guide rib 51 may extend up to a lower end of the module mounting hole 71 along edges of the cool air inflow hole 73 and the module mounting hole 71 of the partition wall 70.
  • the cool air guide passage 52 defined by the guide rib 51 may have a T-shape.
  • the quick cooling module 40 passes through the partition wall 70 through the module mounting hole 71.
  • a heat dissipation member 42 constituting the quick cooling module 40 is exposed to the cool air guide passage 52.
  • the cool air within the heat exchange chamber 105 drops down along the cool air guide passage 52 and is heat-exchanged with the heat dissipation member 42.
  • the heat dissipation member 42 is heat-exchanged with a thermoelectric device 41. That is, the heat dissipation member 42 may be duplicately heat-exchanged to reduce a time which takes to quickly cool the drawer 32.
  • the cool air discharge duct 62 is disposed under the cool air inflow duct 61 to communicate with the cool air discharge hole 72 of the partition wall 70.
  • the cool air within the drawer 32 is recovered into the heat exchange chamber 105 through the cool air discharge duct 62.
  • a rotatable louver may be disposed on the cool air discharge duct 62.
  • Figs. 20 and 21 are perspective views illustrating various examples of a guide part according to an example not part of the claimed invention.
  • a guide part of Fig. 20 (a) is equal to that of Fig. 18 .
  • the guide part of Fig. 20(b) is different from those of the foregoing examples in that a cool air inflow hole 73 defined in a partition wall 70 has a relatively narrow vertical width when compared to those of the foregoing examples. Since the cool air inflow hole 73 has a relatively narrow vertical width, a guide rib 51 surrounding the cool air inflow hole 73 may also have a relatively narrow vertical width.
  • a quick cooling module 40 is disposed on a cool air guide passage 52 defined by a guide rib 51. Also, the quick cooling module 40 is disposed spaced downward from the cool air inflow hole 73.
  • a guide rib 51 has the same shape as that of the guide rib 51 of Fig. 20(a) .
  • Figs. 21(a) to 21(c) have the substantially same structure as those of Figs. 20(a) to 20(c) except that the quick cooling mode 40 is disposed directly under the cool air inflow hole 73.
  • the inner space of the drawer assembly may be quickly cooled.
  • the defrosting operation function for the evaporator may be performed together. Thus, it may be unnecessary to stop the operation of the refrigerating cycle or perform a reverse cycle operation so as to perform the defrosting operation for the evaporator.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Claims (6)

  1. Réfrigérateur comprenant :
    un corps principal (10) comportant un boîtier extérieur (102) définissant une apparence extérieure de celui-ci et un boîtier intérieur (101) fourni à l'intérieur du boîtier extérieur (102), dans lequel un compartiment de congélation (13) est défini ;
    une chambre d'échange de chaleur (105) définie dans le corps principal (10) ;
    un évaporateur (E) reçu dans la chambre d'échange de chaleur (105) et comprenant un tuyau de réfrigérant ;
    un compartiment de stockage de surgélation prévu dans le compartiment de congélation (13) ;
    un ensemble tiroir (30) composé d'un tiroir (32) et d'un boîtier (31) dans lequel le tiroir (32) est reçu de manière retirable, et configuré pour être reçu dans le compartiment de stockage de surgélation et en être retiré ;
    un module de refroidissement rapide (40) pour échangeur de la chaleur avec le tuyau de réfrigérant de l'évaporateur (E), le module de refroidissement rapide (40) étant monté sur une surface arrière de l'ensemble tiroir (30) et étant configuré pour refroidir un intérieur du compartiment de stockage de surgélation,
    dans lequel le module de refroidissement rapide (40) comprend :
    une unité thermoconductrice (44) en conduction thermique avec le tuyau de réfrigérant ;
    un dispositif thermoélectrique (41) présentant une première surface en conduction thermique avec l'unité thermoconductrice (44) pour échanger de la chaleur avec l'unité thermoconductrice (44) lorsque le courant est fourni et une seconde surface tournée vers le compartiment de stockage de surgélation ;
    un élément de dissipation de chaleur (42) en conduction thermique avec la seconde surface du dispositif thermoélectrique (41) ; et
    un ventilateur soufflant (43) disposé sur un côté avant de l'élément de dissipation de chaleur (42) ;
    une séparation pour la séparation de la chambre d'échange de chaleur (105) du compartiment de stockage de surgélation, la séparation étant disposée sur un côté avant du boîtier intérieur (101) du corps principal (10) et étant configurée par une paroi de séparation distincte (70) comportant une plaque pour définir la chambre d'échange de chaleur (105) entre la paroi de séparation distincte (70) et le boîtier intérieur (101) ;
    un kit de circulation d'air froid (330) disposé sur le compartiment de stockage de surcongélation entre une surface arrière du tiroir (32) et une surface avant de la paroi de séparation (70),
    dans lequel un espace d'échange de chaleur, dans lequel un élément de dissipation de chaleur (42) est soumis à un échange de chaleur avec de l'air froid à l'intérieur du tiroir (32), est prévu dans le kit de circulation d'air froid (330), et
    dans lequel une partie du module de refroidissement rapide (40) est disposée à l'intérieur du kit de circulation d'air froid (330).
  2. Réfrigérateur selon la revendication 1, dans lequel le ventilateur soufflant côté absorption de chaleur (43) et l'élément de dissipation de chaleur (42) du module de refroidissement rapide (40) sont disposés à l'intérieur du kit de circulation d'air froid (330).
  3. Réfrigérateur selon la revendication 1 ou 2, dans lequel le module de refroidissement rapide (40) passe à travers la paroi de séparation (70) qui sépare la chambre d'échange de chaleur (105) du compartiment de stockage de surgélation.
  4. Réfrigérateur selon l'une quelconque des revendications 1 à 3, dans lequel le kit de circulation d'air froid (330) comporte :
    un corps de kit (331) définissant un espace intérieur ;
    une partie d'écoulement d'air froid (322) prévue sur un côté d'une surface avant du corps de kit (331) ; et
    une rainure de réception de module (333) disposée dans une surface arrière du corps de kit (331).
  5. Réfrigérateur selon l'une quelconque des revendications 1 à 4,
    dans lequel une partie d'écoulement d'air froid (322) pour transférer l'air froid fourni par le ventilateur soufflant (43) dans le tiroir (32) est disposée sur une surface arrière du tiroir (32).
  6. Réfrigérateur selon la revendication 5, dans lequel la partie d'écoulement d'air froid (322) comprend :
    un trou d'afflux d'air froid (322a) défini dans un centre de la surface arrière du tiroir (32) ; et
    un trou d'évacuation d'air froid (322b) défini autour du trou d'afflux d'air froid (322a).
EP19171517.6A 2011-05-31 2012-05-30 Réfrigérateur Active EP3553419B1 (fr)

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KR1020110051885A KR101768724B1 (ko) 2011-05-31 2011-05-31 냉장고
KR1020110113338A KR20130048475A (ko) 2011-11-02 2011-11-02 냉각장치와 보조저장실을 구비하는 냉장고
KR1020110113337A KR101848661B1 (ko) 2011-11-02 2011-11-02 냉각장치와 보조저장실을 구비하는 냉장고
KR1020110114572A KR101848662B1 (ko) 2011-11-04 2011-11-04 냉각장치와 보조저장실을 구비하는 냉장고
KR1020110126530A KR101861673B1 (ko) 2011-11-30 2011-11-30 냉각장치와 보조저장실을 구비하는 냉장고
EP12170001.7A EP2530408B1 (fr) 2011-05-31 2012-05-30 Réfrigérateur

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US10309696B2 (en) 2019-06-04
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US9845976B2 (en) 2017-12-19
EP2530408B1 (fr) 2019-07-03
US9109819B2 (en) 2015-08-18
EP3553419A1 (fr) 2019-10-16
EP2530408A3 (fr) 2017-09-20
US20150308721A1 (en) 2015-10-29
US9464825B2 (en) 2016-10-11
US20160377329A1 (en) 2016-12-29
US20120304667A1 (en) 2012-12-06
US20180087810A1 (en) 2018-03-29
EP2530408A2 (fr) 2012-12-05

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